33123140746 has 4 divisors (see below), whose sum is σ = 49684711122. Its totient is φ = 16561570372.

The previous prime is 33123140737. The next prime is 33123140747. The reversal of 33123140746 is 64704132133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28828304521 + 4294836225 = 169789^2 + 65535^2 .

It is not an unprimeable number, because it can be changed into a prime (33123140747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8280785185 + ... + 8280785188.

Almost surely, 2^33123140746 is an apocalyptic number.

33123140746 is a deficient number, since it is larger than the sum of its proper divisors (16561570376).

33123140746 is a wasteful number, since it uses less digits than its factorization.

33123140746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16561570375.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 33123140746 its reverse (64704132133), we get a palindrome (97827272879).

The spelling of 33123140746 in words is "thirty-three billion, one hundred twenty-three million, one hundred forty thousand, seven hundred forty-six".